1. A round pit of stone, lined with clay, for receiving the metal on its first fusion; a pond of water reserved for salt-works; a pit sunk below the general level of a mine.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• somw,
• simpl,
• simpy,
• jumpp,
• squip,
• srhp,
• sumpt,
• suryp,
• sumor,
• sumg,
• sumple,
• gump,
• tump,
• zuma,
• suppo,
• surp,
• surip,
• soumd,
• suma,
• slomp

• sum up,
• sunup.

The adjective form of the word "sump" is "sumpish".

The plural of the "sump" can be the "sumps".

The singular of the "sump" can be the "sump".